42243669 has 48 divisors (see below), whose sum is σ = 71518720. Its totient is φ = 23794560.

The previous prime is 42243667. The next prime is 42243671. The reversal of 42243669 is 96634224.

It is an interprime number because it is at equal distance from previous prime (42243667) and next prime (42243671).

It is not a de Polignac number, because 42243669 - 2¹ = 42243667 is a prime.

It is a super-2 number, since 2×42243669² = 3569055141163122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42243667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 68607 + ... + 69219.

Almost surely, 2^42243669 is an apocalyptic number.

It is an amenable number.

42243669 is a deficient number, since it is larger than the sum of its proper divisors (29275051).

42243669 is a wasteful number, since it uses less digits than its factorization.

42243669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682 (or 679 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 42243669 is about 6499.5129817549. The cubic root of 42243669 is about 348.2735908368.

The spelling of 42243669 in words is "forty-two million, two hundred forty-three thousand, six hundred sixty-nine".